51![Harold Jeffreys Lecture[removed]Historical eclipses Harold Jeffreys Lecture[removed]Historical eclipses](https://www.pdfsearch.io/img/088edb8203a711029f2b65515310778d.jpg) | Add to Reading ListSource URL: hbar.phys.msu.ruLanguage: English - Date: 2003-09-02 16:00:00
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52![THE NATURE OF TIME (Submitted to the essay competition fqxi.org/essay on 1st December 2008) THE NATURE OF TIME (Submitted to the essay competition fqxi.org/essay on 1st December 2008)](https://www.pdfsearch.io/img/94f965ab0f29feb8764b0a0f646e15bf.jpg) | Add to Reading ListSource URL: www.platonia.comLanguage: English - Date: 2009-01-02 18:19:13
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53![I N N O V A T I O N GPS and Leap Seconds I N N O V A T I O N GPS and Leap Seconds](https://www.pdfsearch.io/img/ba754d8312b0425ff72972c7efea42ce.jpg) | Add to Reading ListSource URL: gauss.gge.unb.caLanguage: English - Date: 2004-05-03 11:56:41
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54![Harold Jeffreys Lecture[removed]Historical eclipses Harold Jeffreys Lecture[removed]Historical eclipses](https://www.pdfsearch.io/img/8d21f7e46528bd280df6fdbeca93e1da.jpg) | Add to Reading ListSource URL: www.ras.org.ukLanguage: English - Date: 2005-04-19 19:00:00
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55![Conception, Definition and Realization of Time Scale in GNSS Conception, Definition and Realization of Time Scale in GNSS](https://www.pdfsearch.io/img/a92aa122b049af20de23fb399599a648.jpg) | Add to Reading ListSource URL: www.itu.intLanguage: English - Date: 2013-09-10 07:11:28
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56![](https://www.pdfsearch.io/img/2e6264694a7a5af0cd591528aebbd72f.jpg) | Add to Reading ListSource URL: 141.74.1.36Language: English - Date: 2011-04-19 00:08:33
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57![](https://www.pdfsearch.io/img/e1183b39ea12ca5bd2fb6a0a988e438a.jpg) | Add to Reading ListSource URL: www.ucolick.orgLanguage: English - Date: 2003-05-28 03:14:56
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58![](https://www.pdfsearch.io/img/87c520719274fe309f610d2cba0315f3.jpg) | Add to Reading ListSource URL: www.nasonline.orgLanguage: English - Date: 2011-11-11 14:03:53
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59![](https://www.pdfsearch.io/img/7663341bf7824f99a089ade4bbb3f438.jpg) | Add to Reading ListSource URL: www.iau.orgLanguage: English - Date: 2010-09-01 10:55:58
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60![](https://www.pdfsearch.io/img/0741a9dcc029acf9ebb5de6df2b239d8.jpg) | Add to Reading ListSource URL: www.iau.orgLanguage: English - Date: 2008-04-09 07:53:15
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